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A lift is moving upwards with a uniform velocity v in which a block of mass m is lying. The frict...
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A lift is moving upwards with a uniform velocity v in which a block of mass m is lying. The frictional force offered by the block, when coefficient of friction is μ=0.5, will be
(1) zero
(2) m g / 2
(3) m g
(4) 2 m g
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(1) zero
(2) m g / 2
(3) m g
(4) 2 m g
📌 PHYSICS WALLAH OTHER CHANNELS :
📌 PHYSICS WALLAH SOCIAL MEDIA PROFILES :
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